/* ============================================================
   CHRISTOPHER CAHILL — CONSULTING SITE
   Aesthetic: Dark academic / editorial / refined scientific
   Accent: high-vis purple (#a855f7)
   ============================================================ */
@import url('https://fonts.googleapis.com/css2?family=Lora:ital,wght@0,400;0,500;0,600;1,400;1,500&family=Space+Mono:ital,wght@0,400;0,700;1,400&display=swap');

:root {
  --ink:         #0e0e0e;
  --paper:       #f4f0e8;
  --deep:        #111820;
  --teal:        #1a1a1a;
  --teal-lt:     #f0f0f0;
  --gold:        #666666;
  --mist:        #e8e2d6;
  --mid:         #5a5a5a;
  --accent:      #a855f7;
  --accent-soft: rgba(168, 85, 247, 0.15);
  --mono:        'Space Mono', monospace;
  --serif:       'Lora', Georgia, serif;
}

*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }

html, body {
  scroll-behavior: smooth;
  overflow-x: hidden;
}

body {
  font-family: var(--serif);
  background: var(--paper);
  color: var(--ink);
  font-size: 18px;
  line-height: 1.7;
  overflow-x: hidden;
}

/* ── HERO ─────────────────────────────────────────────────── */

.hero {
  position: relative;
  height: 100vh;
  min-height: 600px;
  display: flex;
  align-items: center;
  justify-content: center;
  background-image: url('sundog.png');
  background-size: cover;
  background-position: center 40%;
  background-attachment: fixed;
}

.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(
    160deg,
    rgba(10, 20, 18, 0.82) 0%,
    rgba(17, 24, 32, 0.72) 60%,
    rgba(42, 124, 111, 0.3) 100%
  );
}

.hero-content {
  position: relative;
  z-index: 2;
  text-align: center;
  color: #fff;
  max-width: 760px;
  padding: 0 2rem;
  animation: fadeUp 1.2s ease both;
}

@keyframes fadeUp {
  from { opacity: 0; transform: translateY(30px); }
  to   { opacity: 1; transform: translateY(0); }
}

.hero-eyebrow {
  font-family: var(--mono);
  font-size: 1rem;
  letter-spacing: 0.28em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 1.2rem;
}

.hero-title {
  font-family: var(--serif);
  font-size: clamp(3rem, 6vw, 4.5rem);
  font-weight: 500;
  letter-spacing: -0.01em;
  line-height: 1.1;
  color: #fff;
  margin-bottom: 0.5rem;
}

.hero-subtitle {
  font-family: var(--serif);
  font-size: clamp(2rem, 4vw, 2.25rem);
  font-weight: 300;
  font-style: italic;
  color: rgba(255,255,255,0.95);
  margin-bottom: 1.4rem;
}

.hero-tagline {
  font-family: var(--mono);
  font-size: 1rem;
  letter-spacing: 0.08em;
  color: rgba(255,255,255,0.8);
  margin-bottom: 2.5rem;
}

.hero-cta {
  display: inline-block;
  padding: 1rem 2.6rem;
  border: 1px solid var(--accent);
  color: #fff;
  font-family: var(--mono);
  font-size: 1rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  text-decoration: none;
  background: transparent;
  transition: all 0.3s ease;
}

.hero-cta:hover {
  background: var(--accent);
  color: #fff;
  border-color: var(--accent);
}

/* ── TAB NAV ──────────────────────────────────────────────── */

.tab-nav {
  display: flex;
  justify-content: center;
  gap: 0;
  background: var(--deep);
  padding: 0;
  position: relative;
  z-index: 100;
  transition: box-shadow 0.3s;
}

.tab-nav.sticky {
  position: sticky;
  top: 0;
  box-shadow: 0 2px 20px rgba(0,0,0,0.4);
}

.tab-btn {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.2em;
  text-transform: uppercase;
  padding: 1.1rem 3rem;
  background: none;
  border: none;
  color: rgba(255,255,255,0.7);
  cursor: pointer;
  transition: all 0.25s ease;
  border-bottom: 2px solid transparent;
}

.tab-btn:hover {
  color: #fff;
}

.tab-btn.active {
  color: var(--accent);
  border-bottom: 2px solid var(--accent);
}

/* ── TAB PANELS ───────────────────────────────────────────── */

.tab-panel { display: none; }
.tab-panel.active { display: block; }

/* ── PANEL HEROES ─────────────────────────────────────────── */

.panel-hero {
  position: relative;
  height: 320px;
  display: flex;
  align-items: flex-end;
  background-size: cover;
  background-position: center;
  background-attachment: fixed;
}

.services-hero {
  background-image: url('desolation.png');
  background-position: center 60%;
}

.about-hero {
  background-image: url('baffin.png');
  background-position: center 50%;
}

.contact-hero {
  background-image: url('noddin.png');
  background-position: center 40%;
}

.cv-hero {
  background-image: url('Sleeping_Bear.jpg');
  background-position: center 60%;
}

.rtmb-hero {
  background-image: url('desolation.png');
  background-position: center 60%;
}

.testimonials-hero {
  background-image: url('baffin.png');
  background-position: center 50%;
}

.panel-hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(10,18,16,0.88) 0%, rgba(10,18,16,0.3) 100%);
}

.panel-hero-text {
  position: relative;
  z-index: 2;
  color: #fff;
  padding: 2.5rem 4rem;
  max-width: 900px;
}

.panel-hero-text h2 {
  font-size: clamp(2rem, 4vw, 3rem);
  font-weight: 300;
  margin-bottom: 0.5rem;
}

.panel-hero-text p {
  font-style: italic;
  color: rgba(255,255,255,0.92);
  font-size: 1rem;
  max-width: 560px;
}

/* ── SERVICES GRID ────────────────────────────────────────── */

.services-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 0;
  background: var(--paper);
}

@media (max-width: 800px) {
  .services-grid { grid-template-columns: repeat(2, 1fr); }
}

@media (max-width: 500px) {
  .services-grid { grid-template-columns: 1fr; }
}

.service-card {
  padding: 3rem 2.5rem;
  border-right: 1px solid var(--mist);
  border-bottom: 1px solid var(--mist);
  border-top: 2px solid transparent;
  transition: background 0.25s ease, border-top-color 0.25s ease;
}

.service-card:hover {
  background: #fff;
  border-top-color: var(--accent);
}

.service-card h3 {
  font-size: 1.25rem;
  font-weight: 400;
  margin-bottom: 0.75rem;
  color: var(--ink);
}

.service-card p {
  font-size: 0.92rem;
  color: var(--mid);
  line-height: 1.65;
}

/* ── ABOUT ────────────────────────────────────────────────── */

.about-layout {
  max-width: 860px;
  margin: 0 auto;
  padding: 5rem 2rem 6rem;
}

.about-lead {
  font-size: 1.25rem;
  font-style: italic;
  color: var(--ink);
  margin-bottom: 2rem;
  line-height: 1.6;
  border-left: 3px solid var(--accent);
  padding-left: 1.5rem;
}

.about-main p {
  margin-bottom: 1.5rem;
  font-size: 1rem;
  color: #333;
}

.about-main h3 {
  font-size: 1.5rem;
  font-weight: 300;
  margin: 3rem 0 1.5rem;
  color: var(--ink);
  border-bottom: 1px solid var(--mist);
  padding-bottom: 0.5rem;
}

.expertise-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 2rem;
  margin-bottom: 2rem;
}

.expertise-col h4 {
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--accent);
  margin-bottom: 0.75rem;
}

.expertise-col ul {
  list-style: none;
  padding: 0;
}

.expertise-col li {
  font-size: 0.9rem;
  color: var(--mid);
  padding: 0.2rem 0;
  border-bottom: 1px solid var(--mist);
}

.pub-list { margin-top: 1rem; }

.pub-item {
  display: flex;
  gap: 1.5rem;
  padding: 1.2rem 0;
  border-bottom: 1px solid var(--mist);
  align-items: baseline;
}

.pub-year {
  font-family: var(--mono);
  font-size: 0.75rem;
  color: var(--accent);
  min-width: 40px;
}

.pub-details {
  font-size: 0.9rem;
  color: #444;
  line-height: 1.55;
}

.pub-details em { color: var(--mid); }

/* ── TESTIMONIALS ─────────────────────────────────────────── */

.testimonial-list { margin-top: 1rem; }

.testimonial-item {
  padding: 2rem 0;
  border-bottom: 1px solid var(--mist);
}

.testimonial-item:last-child { border-bottom: none; }

.testimonial-quote {
  font-family: var(--serif);
  font-size: 1.1rem;
  font-style: italic;
  color: #333;
  line-height: 1.7;
  border-left: 3px solid var(--accent);
  padding-left: 1.5rem;
  margin: 0 0 0.75rem 0;
}

.testimonial-attribution {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.1em;
  color: var(--mid);
  padding-left: 1.5rem;
}

.coming-soon-note {
  padding: 3rem 0;
}

.coming-soon-note p {
  font-family: var(--mono);
  font-size: 0.85rem;
  letter-spacing: 0.1em;
  color: var(--mid);
}

/* ── CONTACT ──────────────────────────────────────────────── */

.contact-layout-single {
  max-width: 100%;
  margin: 0;
  padding: 5rem 4rem 6rem;
}

.contact-layout-single h3 {
  font-size: 1.8rem;
  font-weight: 400;
  margin-bottom: 1.2rem;
}

.contact-layout-single p {
  font-size: 0.95rem;
  color: #444;
  margin-bottom: 1.2rem;
}

.contact-items {
  margin-top: 2.5rem;
  border-top: 1px solid var(--mist);
  width: 100%;
}

.contact-item {
  display: flex;
  gap: 1.5rem;
  padding: 0.9rem 0;
  border-bottom: 1px solid var(--mist);
  align-items: center;
  width: 100%;
}

.contact-label {
  font-family: var(--mono);
  font-size: 0.68rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--ink);
  min-width: 110px;
}

.contact-value {
  font-size: 0.9rem;
  color: var(--ink);
}

.contact-value a {
  color: var(--accent);
  text-decoration: none;
  border-bottom: 1px solid transparent;
  transition: border-color 0.2s ease;
}

.contact-value a:hover {
  border-bottom-color: var(--accent);
}

/* ── CV ───────────────────────────────────────────────────── */

.cv-download-bar {
  background: var(--deep);
  padding: 1.2rem 2rem;
  display: flex;
  justify-content: flex-end;
}

.cv-download-btn {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.18em;
  text-transform: uppercase;
  color: var(--teal-lt);
  text-decoration: none;
  border: 1px solid var(--accent);
  padding: 0.6rem 1.6rem;
  transition: all 0.25s ease;
}

.cv-download-btn:hover {
  background: var(--accent);
  color: #fff;
}

.cv-network-note {
  background: var(--mist);
  padding: 0.9rem 2rem;
  border-bottom: 1px solid #d8d2c6;
}

.cv-network-note p {
  font-family: var(--mono);
  font-size: 0.72rem;
  letter-spacing: 0.04em;
  color: var(--mid);
  margin: 0;
}

.cv-network-note a {
  color: var(--accent);
}

.cv-embed-wrap {
  width: 100%;
  background: #e8e4dc;
}

.cv-embed {
  width: 100%;
  height: 90vh;
  border: none;
  display: block;
}

/* ── FOOTER ───────────────────────────────────────────────── */

.site-footer {
  background: var(--deep);
  color: rgba(255,255,255,0.3);
  text-align: center;
  padding: 2rem;
  font-family: var(--mono);
  font-size: 0.7rem;
  letter-spacing: 0.15em;
  text-transform: uppercase;
  border-top: 1px solid rgba(168, 85, 247, 0.45);
}

/* ── QUARTO OVERRIDES ─────────────────────────────────────── */

#quarto-content, .quarto-container, main {
  max-width: 100% !important;
  padding: 0 !important;
  margin: 0 !important;
  overscroll-behavior: none;
}

.anchorjs-link, .anchor-section, a.anchor-section {
  display: none !important;
}

#quarto-header,
.navbar,
header,
nav.navbar,
#quarto-content > div > nav,
body > header,
.quarto-title-block {
  display: none !important;
  height: 0 !important;
  margin: 0 !important;
  padding: 0 !important;
}

body, #quarto-document-content, #quarto-content {
  margin-top: 0 !important;
  padding-top: 0 !important;
}

/* ── MOBILE ───────────────────────────────────────────────── */

@media (max-width: 768px) {
  .hero { background-attachment: scroll; }

  .panel-hero {
    background-attachment: scroll;
    height: 220px;
  }

  .hero-title { font-size: 2.4rem; }
  .hero-subtitle { font-size: 0.95rem; }
  .hero-tagline { font-size: 0.7rem; }

  .tab-nav {
    display: flex;
    flex-wrap: wrap;
    justify-content: center;
  }

  .tab-btn {
    padding: 0.8rem 1.2rem;
    font-size: 0.62rem;
  }

  .services-grid { grid-template-columns: 1fr; }

  .about-layout,
  .cv-layout,
  .contact-layout-single {
    padding: 2.5rem 1.2rem 4rem;
  }

  .expertise-grid { grid-template-columns: 1fr; }

  .panel-hero-text { padding: 1.5rem 1.5rem; }
  .panel-hero-text h2 { font-size: 1.8rem; }

  .contact-item {
    flex-direction: column;
    gap: 0.2rem;
  }

  .contact-label { min-width: unset; }

  .cv-embed { height: 60vh; }
}